clinton expire. that meant the so-called payroll rules that you could not end up doing that finance it cuts, could not expand new government programs of the should pay for it. they expired. washington spun out of control. three things happen in 2003. the second round of tax cuts, we could not afford them. we invaded a sovereign nation without declaring war, without paying for it -- iraq. we expanded medicare to add prescription drugs, added $8 trillion to medicare was already underfunded about $20 trillion. irresponsible. things have frankly gotten worse since. host: mike, centerville, massachusetts. a democrat. caller: hi. i am wondering why since our healthcare system is one of the biggest drivers on our national debt what we never hear cbo numbers comparing single payer to the private situation have in place now. guest: mike, cbo is generally requested to do work. frankly, they have a huge supply and demand imbalance. they're getting a lot more requests than resources -- then they have resources t